+--John Mirgain 
+--Peter Mirgain  (29 June 1834-8 August 1916)
|  +--Susan Pearson 
Frieda Rose Mirgain  (12 Apr 1890-04 Sep 1941)
|  +--Henry Danenberg  (1817-)
+--Dora Danenberg  (4 February 1849-1 October 1924)
   +--Louise Danenberg  (1828-)